How much wastewater does Lacon Stp, City Of treat?

Lacon Stp, City Of treats an average of 0.14 MGD and is permitted for a design flow of 1.15 MGD.

What is the NPDES permit for Lacon Stp, City Of?

The facility discharges under NPDES permit IL0029378, currently effective, expiring June 2029.

Is Lacon Stp, City Of in compliance?

Discharge monitoring reports show no violations at Lacon Stp, City Of in the last three years.

Who operates Lacon Stp, City Of and how do I contact them?

Lacon Stp, City Of is a publicly owned treatment works in Lacon, Illinois. Klarifi lists 1 verified decision-maker contact for this facility, available with a free trial.

Try for free Log in

Lacon Stp, City Of

Q: What treatment technology does Lacon Stp, City Of use?

Klarifi has identified clarifiers, uncovered lagoons, carrousels / oxidation ditches at the Lacon facility.

Lacon, IL · Marshall County · Publicly Owned Treatment Works

Average flow: 0.14 MGD

Design flow: 1.15 MGD

NPDES permit: IL0029378; Effective

Permit expires: June 2029

Population served: 2,154; CWNS 2022

Lacon Stp, City Of is a publicly owned wastewater treatment works in Lacon, Marshall County, Illinois treating an average of 0.14 million gallons per day against a permitted design capacity of 1.15 MGD, serving about 2,154 residents. Treatment on site includes clarifiers, uncovered lagoons, carrousels / oxidation ditches. It discharges under NPDES permit IL0029378 (effective), which expires in June 2029, with 0 recorded violations in the last three years.

Treatment technology

Treatment structures identified at this facility. Exact unit counts are available in Klarifi.

Clarifiers

Unlock

Uncovered lagoons

Unlock

Carrousels / oxidation ditches

Unlock

Unlock exact unit counts →

Compliance snapshot (last 3 years)

Total violations: 0

Effluent violations: 0

Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.

Key contacts

1 verified contact for Lacon Stp, City Of, with validated emails and direct phone numbers.

Unlock 1 verified contact

Names, validated emails and direct phone numbers for decision-makers at Lacon Stp, City Of, plus the full compliance history and discharge data.

Try Klarifi free

Nearby wastewater treatment plants in Illinois

Sparland Stp, Village Of

Sparland · 1 mi away

—

Henry Stp, City Of

Henry · 9 mi away

0.29 MGD

Washburn STP

Washburn · 9 mi away

0.07 MGD

Chillicothe Sd

Chillicothe · 9 mi away

0.34 MGD

Mcnabb Wwtp, Village Of

Mcnabb · 15 mi away

0.03 MGD

Metamora North Stp, Village Of

Metamora · 15 mi away

0.25 MGD

Bradford Stp, Village Of

Bradford · 17 mi away

0.09 MGD

Dunlap, Village Of

Dunlap · 17 mi away

0.06 MGD

Lacon Stp, City Of: frequently asked questions

Sources and methodology

Flow, permit and violation figures come from the EPA's ICIS-NPDES discharge monitoring records. Population served comes from the Clean Watersheds Needs Survey 2022. Treatment structures are identified by Klarifi's review of aerial imagery, and capital improvement projects are extracted from published municipal budget documents. Violations are counted over the last three years of monitoring reports.

Data refreshed September 11, 2026; facility record last updated May 17, 2025.

Try Klarifi for free

Create your own trial account and explore how Klarifi can help you.

Try for free